projects / libsigrok.git / blame
| Commit | Line | Data |
|---|---|---|
| 9a5c6dcf UH |
1 | /* |
| 2 | * This file is part of the sigrok project. | |
| 3 | * | |
| 4 | * Copyright (C) 2010 Bert Vermeulen <bert@biot.com> | |
| 5 | * | |
| 6 | * This program is free software: you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation, either version 3 of the License, or | |
| 9 | * (at your option) any later version. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 | */ | |
| 19 | ||
| 22b02383 | 20 | #include "config.h" |
| 9a5c6dcf UH |
21 | #include <stdint.h> |
| 22 | #include <glib.h> | |
| 22b02383 | 23 | #ifdef HAVE_LIBUSB_1_0 |
| 9a5c6dcf | 24 | #include <libusb.h> |
| 22b02383 | 25 | #endif |
| 9a5c6dcf UH |
26 | #include <sigrok.h> |
| 27 | ||
| 22b02383 UH |
28 | #ifdef HAVE_LIBUSB_1_0 |
| 29 | ||
| a00ba012 | 30 | int opendev2(int device_index, struct sr_device_instance **sdi, |
| 9a5c6dcf UH |
31 | libusb_device *dev, struct libusb_device_descriptor *des, |
| 32 | int *skip, uint16_t vid, uint16_t pid, int interface) | |
| 33 | { | |
| 34 | int err; | |
| 35 | ||
| 36 | if ((err = libusb_get_device_descriptor(dev, des))) { | |
| 37 | g_warning("failed to get device descriptor: %d", err); | |
| 38 | return -1; | |
| 39 | } | |
| 40 | ||
| 41 | if (des->idVendor != vid || des->idProduct != pid) | |
| 42 | return 0; | |
| 43 | ||
| 44 | if (*skip != device_index) { | |
| 45 | /* Skip devices of this type that aren't the one we want. */ | |
| 46 | *skip += 1; | |
| 47 | return 0; | |
| 48 | } | |
| 49 | ||
| 50 | /* | |
| 51 | * Should check the bus here, since we know that already. But what are | |
| 52 | * we going to do if it doesn't match after the right number of skips? | |
| 53 | */ | |
| 54 | if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) { | |
| 55 | (*sdi)->usb->address = libusb_get_device_address(dev); | |
| 5a2326a7 | 56 | (*sdi)->status = SR_ST_ACTIVE; |
| 9a5c6dcf UH |
57 | g_message("opened device %d on %d.%d interface %d", |
| 58 | (*sdi)->index, (*sdi)->usb->bus, | |
| 59 | (*sdi)->usb->address, interface); | |
| 60 | } else { | |
| 61 | g_warning("failed to open device: %d", err); | |
| 62 | *sdi = NULL; | |
| 63 | } | |
| 64 | ||
| 65 | return 0; | |
| 66 | } | |
| 67 | ||
| a00ba012 | 68 | int opendev3(struct sr_device_instance **sdi, libusb_device *dev, |
| 9a5c6dcf UH |
69 | struct libusb_device_descriptor *des, |
| 70 | uint16_t vid, uint16_t pid, int interface) | |
| 71 | { | |
| 72 | int err; | |
| 73 | ||
| 74 | if ((err = libusb_get_device_descriptor(dev, des))) { | |
| 75 | g_warning("failed to get device descriptor: %d", err); | |
| 76 | return -1; | |
| 77 | } | |
| 78 | ||
| 79 | if (des->idVendor != vid || des->idProduct != pid) | |
| 80 | return 0; | |
| 81 | ||
| 82 | if (libusb_get_bus_number(dev) == (*sdi)->usb->bus | |
| 83 | && libusb_get_device_address(dev) == (*sdi)->usb->address) { | |
| 84 | /* Found it. */ | |
| 85 | if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) { | |
| 5a2326a7 | 86 | (*sdi)->status = SR_ST_ACTIVE; |
| 9a5c6dcf UH |
87 | g_message("opened device %d on %d.%d interface %d", |
| 88 | (*sdi)->index, (*sdi)->usb->bus, | |
| 89 | (*sdi)->usb->address, interface); | |
| 90 | } else { | |
| 91 | g_warning("failed to open device: %d", err); | |
| 92 | *sdi = NULL; | |
| 93 | } | |
| 94 | } | |
| 95 | ||
| 96 | return 0; | |
| 97 | } | |
| 22b02383 UH |
98 | |
| 99 | #endif |